The two crossword solutions for the term RESEARCH PAPER ABBR. are IBID and ETAL. IBID is an abbreviation of the Latin phrase 'ibidem, ' which means 'in the same place.' It is used in research papers to refer back to a previously cited source. ETAL is an abbreviation of the Latin phrase 'et alii, ' which means 'and others.' It is used in research papers to refer to multiple authors of a single work.